The Chelsea 660XRAHX-A3AF or 660XRAHXA3AF is a 660 Series Power Take-Off designed for medium to heavy duty applications on popular 6-bolt manual transmissions, including Eaton/Fuller, Volvo/Mack, and other compatible units. The 660 Series features a cast iron housing with tapered cone bearings on both the input and output shafts for strong load-bearing capability. The series carries an intermittent torque rating up to 375 lb-ft, with continuous operation supported at a 30% de-rating. Shift type is wire/cable or mechanical. Output options within this series include SAE A and SAE B pump flanges, driveline, and multiple shaft configurations. Call us to confirm the exact output and ratio configuration for your specific application.
Features
Chelsea 660 Series Power Take-Off, part number 660XRAHX-A3AF or 660XRAHXA3AF
Fits popular 6-bolt manual transmissions including Eaton/Fuller and Volvo/Mack
Cast iron housing with tapered cone bearings on input and output shafts
Intermittent torque capacity up to 375 lb-ft (508 Nm) for the 660 Series
Wire/cable or mechanical shift options available in this series
Supports continuous operation with 30% de-rating
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque (Series): Up to 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Output Types (Series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other 6-bolt manual transmissions
- Shaft Power (Series): 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
Additional Information
The Chelsea 660 Series is suited for aerial devices, dump trucks, service trucks, snow and ice removal equipment, and blower or product pump installations. The space-saving air shift cover is designed for maximum clearance under the vehicle. One-piece gears contribute to the series' torque capacity, and greaseable shaft options are available. For application-specific torque ratings and to verify that 660XRAHX-A3AF is the correct configuration for your transmission and output requirements, contact Pro Gear and Transmission directly.Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
